mod_websocket: Send a ping on read timeout

diff --git a/plugins/mod_websocket.lua b/plugins/mod_websocket.lua
index ecbfabddf77c535e638c1ac0d5fc977508ba2278..086eab62603bde1de809829bdbc0bf493559d340 100644 (file)
--- a/plugins/mod_websocket.lua
+++ b/plugins/mod_websocket.lua
@@ -290,6 +290,12 @@ function handle_request(event)
        return "";
 end
 
+local function keepalive(event)
+       return conn:write(build_frame({ opcode = 0x9, }));
+end
+
+module:hook("c2s-read-timeout", keepalive, -0.9);
+
 function module.add_host(module)
        module:depends("http");
        module:provides("http", {
@@ -300,4 +306,5 @@ function module.add_host(module)
                        ["GET /"] = handle_request;
                };
        });
+       module:hook("c2s-read-timeout", keepalive, -0.9);
 end